Home / 1,595.14-2,201.35-931.98

Finding the Fourth Proportional to 1,595.14, 2,201.35 and 931.98

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Solution

The fourth proportional to 1,595.14, 2,201.35 and 931.98 is: 1,286.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,595.14 : 2,201.35 = 931.98 : x
  2. Step 2: Convert to fraction form
    1,595.14/2,201.35 = 931.98/x
  3. Step 3: Cross multiply
    1,595.14x = 2,201.35 × 931.98
  4. Step 4: Simplify right side
    1,595.14x = 2,051,618.28
  5. Step 5: Solve for x
    x = 2,051,618.28/1,595.14
  6. Step 6: Final answer
    x = 1,286.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.